The present invention provides compositions, methods, and kits for treatmentof opiate addiction and pain. The invention provides a biocompatiblenonerodible polymeric device which releases buprenorphine continuously withgenerally linear release kinetics for extended periods of time. Buprenorphineis released through pores that open to the surface of the polymeric matrix inwhich it is encapsulated. The device may be administered subcutaneously to anindividual in need of continuous treatment with buprenorphine.
